Road-grading machine



(No Model.)

A. BARHITE. ROAD GRADING MACHINE.

No. 535,785. Patented M51. 12, 1895.

Uivrrsn STATES ATENT ALEXANDER BARHITE, OF TORONTO, CANADA, ASSIGNOR TOJOHN N.

' BARHITE, OF BUOKEYE IOWA.

ROAD-GRADING MACHINE.

SPEGIFICATION forming part of Letters Patent No. 535,785 dated March 12,1895.

Application filed May 10, 1894.

Serial No. 510,759. (No model.)

T0 at whom it may concern:

Be it known that I, ALEXANDER BARHITE, a citizen of the United States,residing at T0- ronto, in the Province of Ontario, Canada, have inventednew and useful Improvements in Road-Grading Machines, of which thefollowing is a specification.

My invention relates to an improved road grading machine wherein isemployed a plow for breaking up or detaching the earth upon each side ofthe road, a conveyer for receiving the earth from the plow anddepositing it in the center of the road,and mechanism for collecting theearth from the plow and directing it to the conveyer.

Referring to the drawings-Figure 1 is a transverse vertical section ofmy improved grading machine; Fig. 2, a side elevation thereof; Fig. 3, adetail perspective viewof the lower end of the conveyor and the pivotedshoe; Fig. 4., a detail view of the gearing for driving the operativeportions of the machin e; Fig. 5, a detail view of a modified form ofconveyer, and Fig. 6 a detail view showing a modified form of dischargechute.

Referring to the drawings the letter A indicates the front and theletter B the rear wheels of the machine upon which is supported andcarried a frame 0, consisting of a rectangular structure composed of aplatform a, and side uprights a, a Within the uprights a is journaled ashaft D over which passes an endless belt or conveyer E which issimilarly guided over a pulley or roll E at the opposite or upper end ofthe elevator frame E The frame 0 is provided upon one side with 4outwardly projecting brackets c to each of which are secured straps orangle irons 0 within which the beam F of the plow G rests, as will bemore fully hereinafter described. The beam F of the plow rests looselywithin the straps c and is preferably secured to one ofthe uprights by apivot pin or bolt f, though this pivot pin may be entirely omitted. Whenthe pivot f is omitted means must be provided for resisting the endthrust of the plow beam when the machine is in operation, and for thispurposeI fasten to the plow beam upon each side thereof and in front ofthe straps c cleats or blocks f audio order to prevent longitudinalmovement in either direction, fasten similar cleats or blocks f to thebeam in rear of said strap,the cleats or blocks f, f being fastenedsufficiently far in front and rear of the strap to permit of thevertical adjustment of the plow.

The plow may be of any ordinary or usual construction and need not befurther described. I

To the beam F of the plow, at a point in advance of. the plow point, issecured one end of a chain g, the other end of which is wound about adrum g journaled in one of the uprights a, and by means of which theangle at which the plow enters the ground may be controlled. The forwardend of the beam F is provided with the usual clevis J, to which isharnessed a draft animal, a separate team being used for the draft ofthe machine proper. The endless belt or conveyer E passes or travelsabove and below, or upon the opposite sides of a table or elevator frameE which at its lower edge is pivotally mounted by straps 6 upon thejournals of the shaft D, and to the opposite or upper end of said frameE to each side thereof, are secured chains 6' which are wound aboutpulleys 8 carried by a wind ingshaft e mounted in suitable bearings onthe frame 0.

To one end of the frame 0 and upon each side thereof at points beneaththe upper end of the elevator frame are secured brackets H to which ispivotally secured the upper end of a discharge chute h which issuspended from the upper end of the elevator frame F by links it. Saidlinks engage slots 71 in the sides of said chute, and the upper end ofthe chute is adjustably connected to either of a series of perforationsk in the brackets H, for the purpose hereinafter described.

The lower end of the elevator frame F. is provided with a downwardlyinclined shoe I provided upon its rear side with an upturned edge t andhaving pivotally secured to its lower or outer edge a hingedextensional, said shoe and hinged extension projectingbeneath the upperedge of the mold board of the plow and acting to catch the earth as itfallstherefrom.

In order that the earth may be conducted onto the endless apron orconveyer E, I provide the following mechanism: In suitable bracketsmounted on the uprights a, at points above the shoe I is journaled ashaft j provided at its rear end with a gear wheel j and provided withradial curved scraper arms J that are adapted to rotate in closeproximity to the shoe. To the shaftD carrying the endless conveyer E issecured a gear wheel (1 which gears with the gear wheel j and also witha similar gear wheel is mounted on a shaft K, the other end ofthelatt'er being provided with a pinion that is driven by a circularrack L carried by one of the rear wheels of the machine. The shaft K ismade longitudinally adjustable in its bearings whereby it may be movedendwise to throw the gear wheel 70 in and out of gear with the wheel d,a pivoted lever M and segmental rack m being provided for the purpose.

As thus constructed the operation of my improved device is as follows:One team is harnessed to the draft pole of the machine and another tothe plow clevis. The depth and angle of penetration of the plow point isadjusted by raising or lowering the forward end of the plow beam bymeans of the chain g. The machine is to be driven in such manner thatthe plow runs along one side of the road and as it throws up the earthonto the shoe I the rotary drum J grasps it and sweeps it onto the lowerend of the elevator E by which it is carried up and dropped onto thechute h, by which latter it is discharged onto the center of theroadway. By raising or lowering the upper end of the elevator frame Ethe inclination of the chute is automatically adjusted to drop the earthat the point desired, and the adjustment may be still further varied bychanging the pivot pins of the chute from one to another of the seriesof apertures in the brackets II. By disconnecting the chute the entireelevator frame may be bodily lowered onto the platform a of the frame 0for transporting the machine, the hinged extension 2" of the shoe Zfolded back out of the way, and the plow raised so as to clear theroadway. The gearing is then to be thrown out of action as beforedescribed.

If desired handles N may be secured to the plow beam in the usual mannerto aid in operating the plow in the well knownway.

In Fig. 1 I have shown the conveyer as consisting of an endless beltapron E carrying a series of transverse slats E but in lieu thereof Imay provide the elevator frame E with a table E and employ an endlessapron E provided with scraper arms E to carry up the earth to the chute.

In Fig.1 I have shown the discharge chute as consisting of a shoe hingedto the side of the frame of the machine and suspended from the upper endof the conveyer frame E by means of links h. In Fig. 6, however, I haveshown a modified form of discharge chute which I will now describe.Referring to said figure a? indicates the frame of the machine and E theelevator frame constructed and arranged in the manner before described.0

indicates an inclined table rigidly secured to the side of the frame 0,at a point below the discharge end of the carrier E by means of bracerods 0, and is provided with a series of apertures 0 which are closed byhinged lids or covers 0 which open upwardly, and when open rest againststays or stops 0 To the upper end of the conveyer frame E is hinged aleaf P, to the under side of which are rigidly secured curved arms 19which pass through suitable guides 79' secured to the sides of theelevator frame E and are held therein at the desired adjusted positionby means of set screws 10 The lower end of the leaf P, when the latterisswung outward, abuts against the upper edge of the inclined table 0, theone forming a continuation of the other. When the leaf P is dropped orswung inward the earth falling from the elevator E drops through theopening between said leaf and the inclined table 0. When it is desiredto deposit the earth farther away from the machine the leaf is raised orswung outward and one of the hinged lids or covers 0 is raised. Theearth then falls down the chute until it is arrested by the raised lidand then drops through the aperture in front of the lid to the ground.By providing a series of lids 0 the excavated earth may be discharged atany desired point beneath the chute.

I wish it to be understood thatI do not confine myself to the particularforms of endless carrier and discharge chute I have shown and described,as I may employ any known form of either without departing from thespirit of my invention.

Having described my invention, what I claim is- 1. In a road gradingmachine, the combina tion with a wheeled carriage carrying a frame, of aplow adjustably mounted on said frame, a transverse inclined conveyerprovided at its lower end with a shoe having a hinged extension uponwhich the plow deposits the earth,

and at its upper end with an adjustable discharge chute, substantiallyas described.

2. In a road grading machine, the combination with a wheeled carriagecarrying a frame, of a plow ad'j ustably mounted on said frame, atransverse inclined endless conveyer adj ustably secured within saidframe and provided at its lower end with a shoe having a hingedextension upon which the plow deposits the earth and at its upper endwith a downwardly iuclined discharge chute adj ustablyconnected to saidframe and conveyer, and means for holding said chute in its adjustedposition, substantially as described.

3. In a road grading machine, the combination with a wheeled carriagecarrying a frame, of a plow mounted on said frame, a transverse,inclined endless conveyer supported within said frame, and a dischargechute consisting of an inclined table rigidly secured to one side ofsaid frame and having a series of discharge openings provided withhinged covers, and. an adjustable leaf hinged to the discharge end oftheelevator frame and means for l1olding it in its adjusted position,substantially as described.

4. In a road grading machine, the combination with a wheeled carriagecarrying a frame, of a plow mounted on said frame, a transverse inclinedendless conveyer mounted within said frame and provided at its lower endwith a shoe projecting beneath the mold board of the plow, a rotary drumarranged transversely above said shoe between the mold board and theconveyer and operating to transfer the earth from the shoe to theconveyor, and mechanism for actuating said drum and conveyer,substantially as described.

5. In a road grading machine, the combination with a wheeled carriagecarrying a frame of a plow mounted on said frame, a conveyer platformarranged transversely Within said frame and pivoted therein at its lowerend and suspended at its upper end by chains carried by a winding drum,an endless conveyer arranged upon said platform, a shoe carried by thelower end of the platform and projecting under the mold board of theplow, arotary drum journaled transversely above said shoe, and mechanismfor actuating said drum. and conveyer, substantially as described.

6. In a road grading machine, the combination with a wheeled carriagecarrying a frame, of a vertically adjustable plow secured to said frame,a transverse inclinedendless conveyor mounted within said frame, arotary drum journaled between the lower end of the conveyer and the moldboard of the'plow and provided with radial, curved scraper arms,

ating the conveyer arranged at the lower end of said platform andprovided with a gear wheel, a rotary drum journaled above the lower endof the conveyer and provided with a gear wheel meshing with the gearwheel on the conveyer shaft, alongitudinally movable shaft provided atone end with a gear wheel meshing with the said last named gear wheel,and at its opposite end with a pinion gearing with a circular rackcarried by one of the rear wheels of the carriage, and means for movingsaid gear shaft longitudinally, substantially as shown and described.

In testimony whereof I have hereunto set my hand and affixed my seal inpresence of two subscribing witnesses.

ALEXANDER BARHITE. [n s] Witnesses:

. THos. A. GREEN,

JAMES L. NORRIS.

